A little on Scott Jensen: Peter Ralston was his first instructor in traditional Chinese martial arts and began with Xing Yi Quan. Wong Jackman taught Xing Yi Quan, Tai Chi Chuan, Lohan (Buddha Palm), weapons and was known for Bak Sil Lum.
Li Gui Chang learned his art from masters who fought for a living before world war II and survived decades of turmoil in China using his skills and wisdom. In Xing Yi Quan, we love when the transition from stillness to movement is instantaneous.
Liang Ke Qian His Xing Yi Quan had immense power but looked softer than Tai Chi. Liang Ke Qian had a deep knowledge of the history and theory of Xing Yi Quan and had exchanged knowledge with many of the top Xing Masters alive.